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Dennis Mix

Death by Force
Case Description
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In a tragic series of events that shook the small southern Idaho communities of Cassia and Minidoka counties, 77-year-old Dennis Mix, a White/Caucasian male from the Burley-Heyburn area, was found deceased on July 8, 2025. His death was part of a violent rampage that left three other individuals dead and a community searching for answers. The discovery of Mix's body, located in a Ford Expedition behind a business in Heyburn, marked the final chapter in a day of violence that had already claimed ...Read More
Links to Additional Sources (10)
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  • East Idaho News: Family members of victims in quadruple homicide near Burley issue statement to EastIdahoNews.com - East Idaho News
  • East Idaho News: Court documents reveal how detectives tracked down Cassia-Minidoka quadruple murder suspect - East Idaho News
    •     ...View 8 additional sources
    Victim Details

    Dennis Mix

    Male

    White / Caucasian

    Burley

    ID

    2025-07-08

    77

    Dennis

    Mix

    11/28/2025

    Forum Posts (2)
    I've been following this case closely, and something that's been on my mind is the role of mental il... ...Read More
    08/24/2025
    Has anyone else been thinking about the role mental health might have played in this tragic series o... ...Read More
    08/02/2025
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